code: def interp(t):
      return 3 * t**2 - 2 * t**3
  
file_path: PaddleHub/modules/image/text_to_image/disco_diffusion_clip_vitb32/reverse_diffusion/model/perlin_noises.py
imports: import numpy
  import paddle
  import paddle.vision.transforms
  from PIL import Image
  from PIL import ImageOps
label_desc: Use image node_id 1 for calling a global function with example usage: interp(t) and returns: unknown